Ruger GP100 conversion to 10mm?

[Don45]

I see a gunsmith in the US is doing a Ruger GP100 conversion to 10mm but is not taking any from outside the US.
Does anyone know if there is a good gunsmith in Canada that would be able to do a conversion like this?
I know a S&W 610 is an option but they are usually hard to find and expensive, and I like the idea of one of the Ruger GP100's with the 4.2 inch barrels converted to 10mm.

 

[DanSkiBum]

tagged, interested in answer as well.

 

[floriosean1]

Very interested also

 

[gunrunner8]

That gunsmith better have a very well paid liability insurance....
Lessening the safety factor build in existing revolver cylinder is very, very stupid idea, period.
The only way to do it would be to machine new, larger diameter cylinder and/or reducing it's capacity to 5 cartridges.
GR8' 2c worth....